US5032693A - Electric fence insulator with latching capability - Google Patents
Electric fence insulator with latching capability Download PDFInfo
- Publication number
- US5032693A US5032693A US07/601,204 US60120490A US5032693A US 5032693 A US5032693 A US 5032693A US 60120490 A US60120490 A US 60120490A US 5032693 A US5032693 A US 5032693A
- Authority
- US
- United States
- Prior art keywords
- panel
- electric fence
- accordance
- hook portion
- fence insulator
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
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Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B17/00—Insulators or insulating bodies characterised by their form
- H01B17/14—Supporting insulators
- H01B17/145—Insulators, poles, handles, or the like in electric fences
Definitions
- This invention relates generally to electric fence insulators, and pertains more particularly to an insulator having a latching capability so that various types of electric fence conductors can be securely held.
- one object of the present invention is to provide an electric fence insulator that will securely anchor the most common types of conductors currently being marketed.
- Another object of our invention is to provide an electric fence insulator possessing special utility for holding tape-type conductors.
- our insulator prevents the tape-type conductor from twisting while being held, yet permitting longitudinal movement to occur.
- Another object of the invention is to provide an electric fence insulator in which the conductor can be easily attached to the insulator, but readily detached if the need later arises for doing so.
- Electric fences traverse various terrains, the electric fence posts being at times located in valleys and at other times on the crests of hills.
- valley When in a valley, an upward pull is exerted on the electric conductor tending to lift the conductor, whereas when the conductor passes over the crest of a hill, the conductor is pulled downwardly.
- An aim of the present invention is to make certain that the conductor, irrespective of its type, will be securely held in place irrespective of the ground's profile.
- the electric fence insulator in accordance with our invention can be manufactured at a relatively low cost.
- Yet another object of the invention is to provide an electric fence insulator that can be fabricated so as to be attached to any of the variety of fence posts commonly encountered on farms, ranches and ranges. More specifically, our insulator can be easily manufactured so as to be attached to wooden fence posts, round metal posts, and T-shaped metal posts. Stated somewhat differently, the latching capability of our electric fence insulator can be factory adapted for the particular post on which the insulator is to be mounted.
- our invention envisages a pair of panels, one panel being integral with the body of the insulator and the other panel being resiliently connected at its lower end to the lower end of the first panel so as to be biased forwardly.
- a cooperable latching mechanism is disposed at the upper ends of the panels.
- the panel that is integral with the body has an upwardly directed keeper portion, whereas the other panel has an inverted hook portion. Both portions have inclined or angled cam edges.
- the latch mechanism can be readily engaged so as to hold the electric fence conductor captive, yet permit the release of the conductor if circumstances later so dictate.
- the hook portion includes a rib that fits in a channel in the keeper portion for preventing slideable movement of the overlapping edges when the latch mechanism is engaged.
- FIG. 1 is a perspective view of an electric fence insulator illustrating our invention, the insulator holding a tape-type conductor;
- FIG. 2 is a view taken in the direction of line 2--2 of FIG. 1;
- FIG. 3 is a view also taken in the direction of line 2--2 of FIG. 1, but with the insulator shown in its open or conductor-receiving position;
- FIG. 4 is a partial, perspective view, but with portions of the insulator shown in phantom outline to expose internal details.
- the insulator 10 includes a body 12 and a conductor-holding clip unit 14 which will be presently described in detail. In this instance, the insulator 10 is attached by a nail 16 to a wooden post 18.
- the body 12 of the insulator 10 corresponds to that shown in U.S. Pat. No. 4,028,489 granted on June 7, 1977 to Albert T. Berg, Jr. et al. for "Plastic Nail-On Electric Fence Insulator.”
- the insulator 10 may also be designed to be mounted on a metal round post and in such a case reference can be made to U.S. Pat. No. 3,749,820 issued July 31, 1973 to Howard Langlie et al.
- the clip unit 14 includes a rear panel 20 and a forward panel 22, there being a bight portion 24 that integrally, resiliently, connects the first, lower ends of the two panels 20 and 22 together and at the same time biases the panel 22 forwardly into the position depicted in FIG. 3.
- the rear panel 20 in the most preferred form is integrally formed with body 12.
- a vertical web 50 integrally extends from rear panel 20 and integrally terminates in body 12.
- a latch mechanism 26 includes a keeper portion 28 integral with the opposite, upper end of the rear panel 20, the keeper portion 28 having an upper inclined or angled edge 30.
- a channel 52 extends axially through keeper portion 28 generally intermediate its edges and extending vertically downward from angled edge 30.
- web 50 is axially aligned with channel 52.
- the latch mechanism 26 additionally includes an inverted U-shaped hook portion 32 integral with the opposite, upper end of the forward panel 22. More specifically, the hook portion 32 has a bight portion 54 extending from the upper end of forward panel 22 and terminating in a downwardly projecting dog 34, the dog 34 having an inclined or angled edge 36.
- the dog 34 is inwardly offset from the general plane of the forward panel 22 by bight portion 54. Also, as can be understood from FIG. 2, the angled edges 30 and 36 vertically overlap each other when latch mechanism 26 is engaged.
- Integral with the hook portion 32 is an upwardly directed tab 38 that serves as a handle for engaging the latch mechanism 26. Also integral with the hook portion 32 is a vertical rib 56 extending between the dog 34 and the bight portion 54. Rib 56 is of a size and shape for slideable receipt within channel 52 of keeper portion 28 and in the most preferred form is triangular in shape.
- the insulator 10 is preferably fabricated from linear polyethylene plastic; this type of plastic possesses an excellent degree of inherent resiliency, particularly when the insulator 10 is fabricated with a thickness on the order of one-eighth inch (0.32 centimeters).
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Abstract
Description
Claims (18)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US07/601,204 US5032693A (en) | 1989-08-25 | 1990-10-19 | Electric fence insulator with latching capability |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US07/398,479 US4965413A (en) | 1989-08-25 | 1989-08-25 | Electric fence insulator with latching capability |
US07/601,204 US5032693A (en) | 1989-08-25 | 1990-10-19 | Electric fence insulator with latching capability |
Related Parent Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US07/398,479 Continuation-In-Part US4965413A (en) | 1989-08-25 | 1989-08-25 | Electric fence insulator with latching capability |
Publications (1)
Publication Number | Publication Date |
---|---|
US5032693A true US5032693A (en) | 1991-07-16 |
Family
ID=27016267
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US07/601,204 Expired - Lifetime US5032693A (en) | 1989-08-25 | 1990-10-19 | Electric fence insulator with latching capability |
Country Status (1)
Country | Link |
---|---|
US (1) | US5032693A (en) |
Cited By (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2295627A (en) * | 1994-11-25 | 1996-06-05 | Bramley And Wellesley Ltd | Spacer for electric fencing |
US5920036A (en) * | 1998-01-22 | 1999-07-06 | Egger; Mary E. | Insulator for rectangular fence post or rail |
US5959255A (en) * | 1998-02-11 | 1999-09-28 | North Central Plastics, Inc. | Insulator for chain link fence |
US5975501A (en) * | 1997-09-08 | 1999-11-02 | North Central Plastics | Fence strand retainer clip for fence posts |
USD416859S (en) * | 1998-05-07 | 1999-11-23 | North Central Plastics | Insulator for the backside of a T-post |
US6131885A (en) * | 1997-08-11 | 2000-10-17 | North Central Plastics, Inc. | Plastic, T-shaped fence post |
US6353187B1 (en) * | 2000-07-21 | 2002-03-05 | Robert M. Wilson, Jr. | Insulator for mounting electric fence conductors |
GB2362763B (en) * | 1999-02-23 | 2003-07-09 | Gallagher Group Ltd | Securing device |
US20110214901A1 (en) * | 2010-03-02 | 2011-09-08 | Woolf Kirk H | Electric Fence Insulator |
US8697999B2 (en) | 2011-02-18 | 2014-04-15 | Wayne R. Thiem | Electric insulator |
US10358840B2 (en) | 2016-09-14 | 2019-07-23 | Lock Jawz LLC | T-post electric fence insulating devices |
US10535450B2 (en) * | 2018-01-30 | 2020-01-14 | Marshall Glenn Thelen | Insulator attachment |
US11555529B2 (en) * | 2016-12-28 | 2023-01-17 | Shiny Works, S.L. | Wire terminator device |
-
1990
- 1990-10-19 US US07/601,204 patent/US5032693A/en not_active Expired - Lifetime
Cited By (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2295627B (en) * | 1994-11-25 | 1998-08-05 | Bramley And Wellesley Ltd | Electric fence spacer |
GB2295627A (en) * | 1994-11-25 | 1996-06-05 | Bramley And Wellesley Ltd | Spacer for electric fencing |
US6131885A (en) * | 1997-08-11 | 2000-10-17 | North Central Plastics, Inc. | Plastic, T-shaped fence post |
US5975501A (en) * | 1997-09-08 | 1999-11-02 | North Central Plastics | Fence strand retainer clip for fence posts |
US6296233B1 (en) | 1997-09-08 | 2001-10-02 | North Central Plastics | Fence strand retainer clip for fence posts |
US5920036A (en) * | 1998-01-22 | 1999-07-06 | Egger; Mary E. | Insulator for rectangular fence post or rail |
US5959255A (en) * | 1998-02-11 | 1999-09-28 | North Central Plastics, Inc. | Insulator for chain link fence |
USD416859S (en) * | 1998-05-07 | 1999-11-23 | North Central Plastics | Insulator for the backside of a T-post |
GB2362763B (en) * | 1999-02-23 | 2003-07-09 | Gallagher Group Ltd | Securing device |
US6353187B1 (en) * | 2000-07-21 | 2002-03-05 | Robert M. Wilson, Jr. | Insulator for mounting electric fence conductors |
US20110214901A1 (en) * | 2010-03-02 | 2011-09-08 | Woolf Kirk H | Electric Fence Insulator |
US8697999B2 (en) | 2011-02-18 | 2014-04-15 | Wayne R. Thiem | Electric insulator |
US10358840B2 (en) | 2016-09-14 | 2019-07-23 | Lock Jawz LLC | T-post electric fence insulating devices |
US11555529B2 (en) * | 2016-12-28 | 2023-01-17 | Shiny Works, S.L. | Wire terminator device |
US10535450B2 (en) * | 2018-01-30 | 2020-01-14 | Marshall Glenn Thelen | Insulator attachment |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
AS | Assignment |
Owner name: NORTH CENTRAL PLASTICS, INCORPORATED, A CORP. OF M Free format text: ASSIGNMENT OF ASSIGNORS INTEREST.;ASSIGNORS:LANGLIE, RONALD H.;BERG, JON A.;REEL/FRAME:005488/0480 Effective date: 19901018 |
|
STCF | Information on status: patent grant |
Free format text: PATENTED CASE |
|
FPAY | Fee payment |
Year of fee payment: 4 |
|
REMI | Maintenance fee reminder mailed | ||
FPAY | Fee payment |
Year of fee payment: 8 |
|
SULP | Surcharge for late payment | ||
AS | Assignment |
Owner name: WATERS INSTRUMENTS, INC., MINNESOTA Free format text: MERGER;ASSIGNOR:NORTH CENTRAL PLASTICS, INCORPORATED;REEL/FRAME:012110/0163 Effective date: 20010806 |
|
FPAY | Fee payment |
Year of fee payment: 12 |
|
AS | Assignment |
Owner name: WATERS INSTRUMENTS, INC., MINNESOTA Free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNOR:NORTH CENTRAL PLASTICS, INCORPORTED;REEL/FRAME:014146/0693 Effective date: 20010709 |
|
AS | Assignment |
Owner name: ZAREBA SYSTEMS, INC., MINNESOTA Free format text: CHANGE OF NAME;ASSIGNOR:WATERS INSTRUMENTS, INC.;REEL/FRAME:016851/0370 Effective date: 20051027 |